Description
Winters Rear End Lube Semi-Synthetic 80-90-140W keeps your differential operating at peak efficiency under extreme racing loads, where standard gear oils break down. Formulated with Molybdenum Disulfide, this semi-synthetic blend reduces friction and wear while resisting thermal breakdown, allowing you to push harder without sacrificing drivetrain reliability. Whether you’re running a Winters differential or upgrading an existing setup, this purpose-built lubricant delivers the protection and performance you need when it matters most.
- Viscosity Grade: 80-90-140W
- Oil Type: Semi-Synthetic
- Container Size: 1 Gallon
- Part Number: WIN1730
- Key Additive: Molybdenum Disulfide (Moly)
- Primary Benefit: Anti-wear protection
- Thermal Stability: Resists breakdown
- Best For: Racing applications
- Fitment: Winters differentials, universal






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